<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<style>
    #zxy{color: green}
    .c1{color: blue}
    h1,h2{background-color: yellow}
    [type]{color: black}
    [type="submit"]{background-color: red}
    *{
        border: 1px solid blue;
    }
</style>
<body>
    <ul>
        <li id="zxy">张学友</li>
        <li class="c1 ">刘德华</li>
        <li>郭富城</li>
        <li>黎明</li>
    </ul>
<h1>唐三藏</h1><h1 class="c1 ">孙悟空</h1><h1>猪八戒</h1><h1>沙悟净</h1>
<h2>刘备</h2>
<input type="submit" value="提交按钮">
<input type="button" value="普通按钮">
</body>
</html>